COL ICSD Collection Code 10404 DATE Recorded Jan 1, 1980; updated Jun 5, 1984 NAME Calcium magnesium carbonate MINR Dolomite - from Binnenthal, Switzerland FORM Ca Mg (C O3)2 = C2 Ca Mg O6 TITL Structural refinements of dolomite and a magnesian calcite and implications for dolomite formation in the marine environment REF American Mineralogist AMMIA 62 (1977) 772-783 REF American Mineralogist AMMIA 44 (1959) 679-682 AUT Althoff P L CELL a=4.803 b=4.803 c=15.984 à=90.0 á=90.0 ç=120.0 V=319.4 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3a 0. 0. 0. Mg 1 2.000 3b 0. 0. 1/2 C 1 4.000 6c 0. 0. -0.2423 O 1 -2.000 18f 0.2829 0.035 -0.24397 WYCK f c b a ÿ TF Atom á(1,1) á(2,2) á(3,3) á(1,2) á(1,3) á(2,3) Ca 1 0.0055 0.0055 0.0004 0.0027 0.0000 0.0000 Mg 1 0.0041 0.0041 0.0004 0.0021 0.0000 0.0000 C 1 0.0050 0.0050 0.0001 0.0025 0.0000 0.0000 O 1 0.0041 0.0100 0.0008 0.0041 -0.0003 -0.0009 REM REF (refinement of earlier measured intensity data) RVAL 0.045 TEST At least one temperature factor is implausible or meaningless but agrees with the value given in the paper. (Code 52) COL ICSD Collection Code 27540 DATE Recorded Jan 1, 1980 NAME Calcium magnesium carbonate MINR Dolomite FORM Ca Mg (C O3)2 = C2 Ca Mg O6 TITL Refinement of the crystal structure of dolomite REF American Mineralogist AMMIA 44 (1959) 679-682 AUT Steinfink H, SansÿFÿJ CELL a=4.815 b=4.815 c=16.119 à=90.0 á=90.0 ç=120.0 V=323.6 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3a 0. 0. 0. Mg 1 2.000 3b 0. 0. 1/2 C 1 4.000 6c 0. 0. 0.2435 O 1 -2.000 18f 0.2374 -0.0347 0.244 WYCK f c b a ITF Ca 1 B=0.37 ITF Mg 1 B=0.2 ITF C 1 B=0.62 ITF O 1 B=0.59 RVAL 0.093 COL ICSD Collection Code 31209 DATE Recorded Dec 31, 1983 NAME Calcium magnesium carbonate MINR Dolomite - from Eugui, Spain FORM Ca Mg (C O3)2 = C2 Ca Mg O6 FORM Ca1.001 Mg0.987 Mn0.002 Fe0.001 (C O3)2 TITL Structure refinement of some thermally disordered dolomites REF American Mineralogist AMMIA 68 (1983) 769-776 AUT Reeder R J, WenkÿHÿR CELL a=4.804 b=4.804 c=16.006 à=90.0 á=90.0 ç=120.0 V=319.9 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3a 0. 0. 0. 0.9989(4) Mg 1 2.000 3a 0. 0. 0. 0.0011 Ca 2 2.000 3b 0. 0. 1/2 0.0025 Mg 2 2.000 3b 0. 0. 1/2 0.9975 C 1 4.000 6c 0. 0. 0.24266 O 1 -2.000 18f 0.24762-0.03535 0.24406 WYCK f c b a ÿ TF Atom á(1,1) á(2,2) á(3,3) á(1,2) á(1,3) á(2,3) Ca 1 0.0099 0.0099 0.0006 0.0049 0.0000 0.0000 Mg 1 0.0099 0.0099 0.0006 0.0049 0.0000 0.0000 Ca 2 0.0072 0.0072 0.0006 0.0036 0.0000 0.0000 Mg 2 0.0072 0.0072 0.0006 0.0036 0.0000 0.0000 C 1 0.0080 0.0080 0.0006 0.0040 0.0000 0.0000 O 1 0.0084 0.0140 0.0011 0.0063 -0.0003 -0.0009 RVAL 0.018 COL ICSD Collection Code 31210 DATE Recorded Dec 31, 1983 NAME Calcium magnesium carbonate - prepared under 11kbar and 1050 C MINR Dolomite - from Eugui, Spain FORM Ca Mg (C O3)2 = C2 Ca Mg O6 FORM Ca1.001 Mg0.987 Mn0.002 Fe0.001 (C O3)2 TITL Structure refinement of some thermally disordered dolomites REF American Mineralogist AMMIA 68 (1983) 769-776 AUT Reeder R J, WenkÿHÿR CELL a=4.805 b=4.805 c=16.015 à=90.0 á=90.0 ç=120.0 V=320.2 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3a 0. 0. 0. 0.9258(14) Mg 1 2.000 3a 0. 0. 0. 0.0742 Ca 2 2.000 3b 0. 0. 1/2 0.0756 Mg 2 2.000 3b 0. 0. 1/2 0.9244 C 1 4.000 6c 0. 0. 0.2436 O 1 -2.000 18f 0.2483 -0.0309 0.24475 WYCK f c b a ÿ TF Atom á(1,1) á(2,2) á(3,3) á(1,2) á(1,3) á(2,3) Ca 1 0.0162 0.0162 0.0011 0.0081 0.0000 0.0000 Mg 1 0.0162 0.0162 0.0011 0.0081 0.0000 0.0000 Ca 2 0.0144 0.0144 0.0011 0.0072 0.0000 0.0000 Mg 2 0.0144 0.0144 0.0011 0.0072 0.0000 0.0000 C 1 0.0144 0.0144 0.0010 0.0072 0.0000 0.0000 O 1 0.0168 0.0218 0.0016 0.0106 -0.0005 -0.0003 RVAL 0.043 COL ICSD Collection Code 31211 DATE Recorded Dec 31, 1983 NAME Calcium magnesium carbonate - prepared under 11 kbar and 1100 C MINR Dolomite - from Eugui, Spain FORM Ca Mg (C O3)2 = C2 Ca Mg O6 FORM Ca1.001 Mg0.987 Mn0.002 Fe0.001 (C O3)2 TITL Structure refinement of some thermally disordered dolomites REF American Mineralogist AMMIA 68 (1983) 769-776 AUT Reeder R J, WenkÿHÿR CELL a=4.805 b=4.805 c=16.022 à=90.0 á=90.0 ç=120.0 V=320.4 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3a 0. 0. 0. 0.8773(12) Mg 1 2.000 3a 0. 0. 0. 0.1227 Ca 2 2.000 3b 0. 0. 1/2 0.1241 Mg 2 2.000 3b 0. 0. 1/2 0.8759 C 1 4.000 6c 0. 0. 0.2442 O 1 -2.000 18f 0.2516 -0.0277 0.24514 WYCK f c b a ÿ TF Atom á(1,1) á(2,2) á(3,3) á(1,2) á(1,3) á(2,3) Ca 1 0.0141 0.0141 0.0010 0.0071 0.0000 0.0000 Mg 1 0.0141 0.0141 0.0010 0.0071 0.0000 0.0000 Ca 2 0.0118 0.0118 0.0010 0.0059 0.0000 0.0000 Mg 2 0.0118 0.0118 0.0010 0.0059 0.0000 0.0000 C 1 0.0159 0.0159 0.0009 0.0797 0.0000 0.0000 O 1 0.0173 0.0256 0.0018 0.0131 -0.0001 -0.0001 RVAL 0.041 COL ICSD Collection Code 31276 DATE Recorded Dec 31, 1983 NAME Calcium magnesium carbonate MINR Dolomite - from Oberhof, Steiermark, Austria FORM Ca Mg (C O3)2 = C2 Ca Mg O6 FORM Ca (Mg0.94 Fe0.05 Mn0.01) (C O3)2 TITL Untersuchungen zur Elektronendichteverteilung im Dolomit Ca Mg (C O3)2 REF TMPM. Tschermaks Mineralogische und Petrographische Mitteilungen (1979-) TTMMD 31 (1983) 151-164 AUT Effenberger H, KirfelÿA, WillÿG CELL a=4.808 b=4.808 c=16.022 à=90.0 á=90.0 ç=120.0 V=320.8 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3a 0. 0. 0. Mg 1 2.000 3b 0. 0. 1/2 C 1 4.000 6c 0. 0. 0.24287 O 1 -2.000 18f 0.24796-0.0347 0.24402 WYCK f c b a ÿ TF Atom á(1,1) á(2,2) á(3,3) á(1,2) á(1,3) á(2,3) Ca 1 0.0097 0.0097 0.0006 0.0048 0.0000 0.0000 Mg 1 0.0054 0.0054 0.0005 0.0027 0.0000 0.0000 C 1 0.0079 0.0079 0.0006 0.0039 0.0000 0.0000 O 1 0.0096 0.0133 0.0011 0.0074 -0.0006 -0.0097 REM DEN (accurate electron density determination) RVAL 0.020 COL ICSD Collection Code 31277 DATE Recorded Dec 31, 1983 NAME Calcium magnesium carbonate MINR Dolomite - from Oberhof, Steiermark, Austria FORM Ca Mg (C O3)2 = C2 Ca Mg O6 FORM Ca (Mg0.94 Fe0.05 Mn0.01) (C O3)2 TITL Untersuchungen zur Elektronendichteverteilung im Dolomit Ca Mg (C O3)2 REF TMPM. Tschermaks Mineralogische und Petrographische Mitteilungen (1979-) TTMMD 31 (1983) 151-164 AUT Effenberger H, KirfelÿA, WillÿG CELL a=4.808 b=4.808 c=16.022 à=90.0 á=90.0 ç=120.0 V=320.8 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3a 0. 0. 0. Mg 1 2.000 3b 0. 0. 1/2 C 1 4.000 6c 0. 0. 0.24287 O 1 -2.000 18f 0.24772-0.03463 0.24407 WYCK f c b a ÿ TF Atom á(1,1) á(2,2) á(3,3) á(1,2) á(1,3) á(2,3) Ca 1 0.0090 0.0090 0.0005 0.0040 0.0000 0.0000 Mg 1 0.0058 0.0058 0.0005 0.0029 0.0000 0.0000 C 1 0.0058 0.0058 0.0005 0.0029 0.0000 0.0000 O 1 0.0074 0.0113 0.0009 0.0063 -0.0006 -0.0094 REM DEN (accurate electron density determination) REM NDS (neutron diffraction from a single crystal) RVAL 0.030 COL ICSD Collection Code 31332 DATE Recorded Dec 31, 1983 NAME Calcium magnesium carbonate MINR Dolomite - from Oberhof, Steiermark, Austria FORM Ca Mg (C O3)2 = C2 Ca Mg O6 FORM Ca (Mg0.94 Fe0.05 Mn0.01) (C O3)2 TITL Untersuchungen zur Elektronendichteverteilung im Dolomit Ca Mg (C O3)2 REF TMPM. Tschermaks Mineralogische und Petrographische Mitteilungen (1979-) TTMMD 31 (1983) 151-164 AUT Effenberger H, KirfelÿA, WillÿG CELL a=4.808 b=4.808 c=16.022 à=90.0 á=90.0 ç=120.0 V=320.8 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3a 0. 0. 0. Mg 1 2.000 3b 0. 0. 1/2 C 1 4.000 6c 0. 0. 0.24293 O 1 -2.000 18f 0.2479 -0.03468 0.24402 WYCK f c b a ÿ TF Atom á(1,1) á(2,2) á(3,3) á(1,2) á(1,3) á(2,3) Ca 1 0.0098 0.0098 0.0006 0.0049 0.0000 0.0000 Mg 1 0.0057 0.0057 0.0005 0.0028 0.0000 0.0000 C 1 0.0078 0.0078 0.0006 0.0039 0.0000 0.0000 O 1 0.0097 0.0134 0.0011 0.0075 -0.0006 -0.0096 REM DEN (accurate electron density determination) RVAL 0.014 COL ICSD Collection Code 31333 DATE Recorded Dec 31, 1983 NAME Calcium magnesium carbonate MINR Dolomite - from Oberhof, Steiermark, Austria FORM Ca Mg (C O3)2 = C2 Ca Mg O6 FORM Ca (Mg0.94 Fe0.05 Mn0.01) (C O3)2 TITL Untersuchungen zur Elektronendichteverteilung im Dolomit Ca Mg (C O3)2 REF TMPM. Tschermaks Mineralogische und Petrographische Mitteilungen (1979-) TTMMD 31 (1983) 151-164 AUT Effenberger H, KirfelÿA, WillÿG CELL a=4.808 b=4.808 c=16.022 à=90.0 á=90.0 ç=120.0 V=320.8 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3a 0. 0. 0. Mg 1 2.000 3b 0. 0. 1/2 C 1 4.000 6c 0. 0. 0.24293 O 1 -2.000 18f 0.24787 0.03468 0.24401 WYCK f c b a ÿ TF Atom á(1,1) á(2,2) á(3,3) á(1,2) á(1,3) á(2,3) Ca 1 0.0092 0.0092 0.0006 0.0046 0.0000 0.0000 Mg 1 0.0058 0.0058 0.0005 0.0029 0.0000 0.0000 C 1 0.0080 0.0080 0.0006 0.0040 0.0000 0.0000 O 1 0.0098 0.0134 0.0011 0.0075 -0.0006 -0.0096 REM DEN (accurate electron density determination) RVAL 0.015 COL ICSD Collection Code 31334 DATE Recorded Dec 31, 1983 NAME Calcium magnesium carbonate MINR Dolomite - from Oberhof, Steiermark, Austria FORM Ca Mg (C O3)2 = C2 Ca Mg O6 FORM Ca (Mg0.94 Fe0.05 Mn0.01) (C O3)2 TITL Untersuchungen zur Elektronendichteverteilung im Dolomit Ca Mg (C O3)2 REF TMPM. Tschermaks Mineralogische und Petrographische Mitteilungen (1979-) TTMMD 31 (1983) 151-164 AUT Effenberger H, KirfelÿA, WillÿG CELL a=4.808 b=4.808 c=16.022 à=90.0 á=90.0 ç=120.0 V=320.8 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3a 0. 0. 0. Mg 1 2.000 3b 0. 0. 1/2 C 1 4.000 6c 0. 0. 0.24296 O 1 -2.000 18f 0.24788-0.03462 0.24399 WYCK f c b a ÿ TF Atom á(1,1) á(2,2) á(3,3) á(1,2) á(1,3) á(2,3) Ca 1 0.0104 0.0104 0.0007 0.0052 0.0000 0.0000 Mg 1 0.0064 0.0064 0.0005 0.0032 0.0000 0.0000 C 1 0.0085 0.0085 0.0007 0.0042 0.0000 0.0000 O 1 0.0103 0.0139 0.0011 0.0077 -0.0006 -0.0096 REM DEN (accurate electron density determination) RVAL 0.016 COL ICSD Collection Code 31335 DATE Recorded Dec 31, 1983 NAME Calcium magnesium carbonate MINR Dolomite - from Oberhof, Steiermark, Austria FORM Ca Mg (C O3)2 = C2 Ca Mg O6 FORM Ca (Mg0.94 Fe0.05 Mn0.01) (C O3)2 TITL Untersuchungen zur Elektronendichteverteilung im Dolomit Ca Mg (C O3)2 REF TMPM. Tschermaks Mineralogische und Petrographische Mitteilungen (1979-) TTMMD 31 (1983) 151-164 AUT Effenberger H, KirfelÿA, WillÿG CELL a=4.808 b=4.808 c=16.022 à=90.0 á=90.0 ç=120.0 V=320.8 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3a 0. 0. 0. Mg 1 2.000 3b 0. 0. 1/2 C 1 4.000 6c 0. 0. 0.24287 O 1 -2.000 18f 0.24796-0.03471 0.24402 WYCK f c b a ÿ TF Atom á(1,1) á(2,2) á(3,3) á(1,2) á(1,3) á(2,3) Ca 1 0.0097 0.0097 0.0006 0.0049 0.0000 0.0000 Mg 1 0.0054 0.0054 0.0005 0.0027 0.0000 0.0000 C 1 0.0074 0.0074 0.0006 0.0037 0.0000 0.0000 O 1 0.0093 0.0131 0.0010 0.0073 -0.0006 -0.0096 REM DEN (accurate electron density determination) RVAL 0.017 COL ICSD Collection Code 31336 DATE Recorded Dec 31, 1983 NAME Calcium magnesium carbonate MINR Dolomite - from Oberhof, Steiermark, Austria FORM Ca Mg (C O3)2 = C2 Ca Mg O6 FORM Ca (Mg0.94 Fe0.05 Mn0.01) (C O3)2 TITL Untersuchungen zur Elektronendichteverteilung im Dolomit Ca Mg (C O3)2 REF TMPM. Tschermaks Mineralogische und Petrographische Mitteilungen (1979-) TTMMD 31 (1983) 151-164 AUT Effenberger H, KirfelÿA, WillÿG CELL a=4.808 b=4.808 c=16.022 à=90.0 á=90.0 ç=120.0 V=320.8 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3a 0. 0. 0. Mg 1 2.000 3b 0. 0. 1/2 C 1 4.000 6c 0. 0. 0.24288 O 1 -2.000 18f 0.24795-0.03473 0.24402 WYCK f c b a ÿ TF Atom á(1,1) á(2,2) á(3,3) á(1,2) á(1,3) á(2,3) Ca 1 0.0097 0.0097 0.0006 0.0049 0.0000 0.0000 Mg 1 0.0054 0.0054 0.0005 0.0027 0.0000 0.0000 C 1 0.0079 0.0079 0.0006 0.0040 0.0000 0.0000 O 1 0.0096 0.0134 0.0011 0.0075 -0.0006 -0.0097 REM DEN (accurate electron density determination) RVAL 0.017 COL ICSD Collection Code 31337 DATE Recorded Dec 31, 1983 NAME Calcium magnesium carbonate MINR Dolomite - from Oberhof, Steiermark, Austria FORM Ca Mg (C O3)2 = C2 Ca Mg O6 FORM Ca (Mg0.94 Fe0.05 Mn0.01) (C O3)2 TITL Untersuchungen zur Elektronendichteverteilung im Dolomit Ca Mg (C O3)2 REF TMPM. Tschermaks Mineralogische und Petrographische Mitteilungen (1979-) TTMMD 31 (1983) 151-164 AUT Effenberger H, KirfelÿA, WillÿG CELL a=4.808 b=4.808 c=16.022 à=90.0 á=90.0 ç=120.0 V=320.8 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3a 0. 0. 0. Mg 1 2.000 3b 0. 0. 1/2 C 1 4.000 6c 0. 0. 0.24291 O 1 -2.000 18f 0.24739-0.03473 0.24389 WYCK f c b a ÿ TF Atom á(1,1) á(2,2) á(3,3) á(1,2) á(1,3) á(2,3) Ca 1 0.0095 0.0095 0.0006 0.0047 0.0000 0.0000 Mg 1 0.0056 0.0056 0.0005 0.0028 0.0000 0.0000 C 1 0.0075 0.0075 0.0006 0.0037 0.0000 0.0000 O 1 0.0096 0.0129 0.0011 0.0071 -0.0006 -0.0093 REM DEN (accurate electron density determination) RVAL 0.017 COL ICSD Collection Code 100416 DATE Recorded Jan 1, 1980; updated Mar 3, 1989 NAME Calcium magnesium carbonate MINR Dolomite - from Oberdorf, Styria, Austria FORM Ca Mg (C O3)2 = C2 Ca Mg O6 FORM Ca (Mg0.94 Fe0.05 Mn0.01) (C O3)2 TITL Refinement and Comparison of the Crystal Structures of a Dolomite and an Fe-rich Ankerite REF Tschermaks Mineralogische und Petrographische Mitteilungen (-1978) MPMTA 24 (1977) 279-286 REF American Mineralogist AMMIA 44 (1959) 679-682 REF American Mineralogist AMMIA 38 (1953) 207-217 AUT Beran A, ZemannÿJ CELL a=4.812 b=4.812 c=16.020 à=90.0 á=90.0 ç=120.0 V=321.3 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3a 0. 0. 0. Mg 1 2.000 3b 0. 0. 1/2 C 1 4.000 6c 0. 0. 0.2429 O 1 -2.000 18f 0.2485 -0.0343 0.2439 WYCK f c b a ÿ TF Atom á(1,1) á(2,2) á(3,3) á(1,2) á(1,3) á(2,3) Ca 1 0.0088 0.0088 0.0004 0.0044 0.0000 0.0000 Mg 1 0.0045 0.0045 0.0002 0.0023 0.0000 0.0000 C 1 0.0066 0.0066 0.0004 0.0033 0.0000 0.0000 O 1 0.0091 0.0130 0.0009 0.0072 -0.0007 -0.0009 RVAL 0.029 COL ICSD Collection Code 100680 DATE Recorded Dec 31, 1981 NAME MAGNESIUM CALCIUM bis(carbonate) MINR Dolomite - from Oberdorf, Styria, Austria FORM Mg Ca (C O3)2 = C2 Ca Mg O6 TITL Crystal structure refinements of Magnesite, Calcite, Rhodochrosite, Siderite, Smithonite, and Dolomite, with the discussion of some aspects of the stereochemistry of Calcite type carbonates REF Zeitschrift fuer Kristallographie (149,1979-) ZEKRD 156 (1981) 233-243 AUT Effenberger H, MereiterÿK, ZemannÿJ CELL a=4.812 b=4.812 c=16.020 à=90.0 á=90.0 ç=120.0 V=321.3 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3a 0. 0. 0. Mg 1 2.000 3b 0. 0. 1/2 C 1 4.000 6c 0. 0. 0.24287 O 1 -2.000 18f 0.24802-0.03471 0.24401 WYCK f c b a ÿ TF Atom U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Ca 1 0.0085 0.0085 0.0080 0.0000 0.0000 0.0000 Mg 1 0.0041 0.0041 0.0058 0.0000 0.0000 0.0000 C 1 0.0066 0.0066 0.0076 0.0000 0.0000 0.0000 O 1 0.0078 0.0113 0.0136 0.0063 -0.0021 -0.0032 RVAL 0.021 COL ICSD Collection Code 202162 DATE Recorded Dec 19, 1988 NAME Calcium magnesium carbonate MINR Dolomite - from Eocene, Jamaica FORM Ca Mg (C O3)2 = C2 Ca Mg O6 TITL TEM observations and X-ray crystal-structure refinement of a twinned dolomite with a modulated microstructure REF American Mineralogist AMMIA 72 (1987) 188-193 AUT Miser D E, SwinneaÿJÿS, SteinfinkÿH CELL a=4.811 b=4.811 c=16.047 à=90.0 á=90.0 ç=120.0 V=321.7 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3a 0. 0. 0. Mg 1 2.000 3b 0. 0. 1/2 C 1 4.000 6c 0. 0. 0.243 O 1 -2.000 18f 0.2476 0.965 0.2441 WYCK f c b a ÿ TF Atom U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Ca 1 0.0108 0.0108 0.0113 0.0054 0.0000 0.0000 Mg 1 0.0069 0.0069 0.0098 0.0034 0.0000 0.0000 C 1 0.0099 0.0099 0.0080 0.0049 0.0000 0.0000 O 1 0.0096 0.0140 0.0167 0.0072 -0.0023 -0.0030 REM MOD (modulated/incommensurate structure) REM TWI (twinned crystal) RVAL 0.025 COL ICSD Collection Code 66333 DATE Recorded Jan 6, 1993 NAME Calcium magnesium carbonate MINR Dolomite - from Eugui, Spain FORM Ca Mg (C O3)2 = C2 Ca Mg O6 FORM Ca1.001 Mg.987 Fe.01 Mn.002 (C O3)2 TITL High-pressure structural study of dolomite and ankerite REF American Mineralogist AMMIA 77 (1992) 412-421 AUT Ross N L, ReederÿRÿJ CELL a=4.806 b=4.806 c=16.006 à=90.0 á=90.0 ç=120.0 V=320.2 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3a 0. 0. 0. Mg 1 2.000 3b 0. 0. 1/2 C 1 4.000 6c 0. 0. 0.2431 O 1 -2.000 18f 0.2482 -0.0357 0.244 WYCK f c b a ITF Ca 1 B=0.71(3) ITF Mg 1 B=0.50(4) ITF C 1 B=0.73(7) ITF O 1 B=0.84(4) RVAL 0.027 COL ICSD Collection Code 66334 DATE Recorded Jan 6, 1993 NAME Calcium magnesium carbonate MINR Dolomite - from Eugui, Spain FORM Ca Mg (C O3)2 = C2 Ca Mg O6 FORM Ca1.001 Mg.987 Fe.01 Mn.002 (C O3)2 TITL High-pressure structural study of dolomite and ankerite REF American Mineralogist AMMIA 77 (1992) 412-421 AUT Ross N L, ReederÿRÿJ CELL a=4.791 b=4.791 c=15.856 à=90.0 á=90.0 ç=120.0 V=315.2 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3a 0. 0. 0. Mg 1 2.000 3b 0. 0. 1/2 C 1 4.000 6c 0. 0. 0.2434 O 1 -2.000 18f 0.2485 -0.0355 0.2443 WYCK f c b a ITF Ca 1 B=0.79(6) ITF Mg 1 B=0.46(8) ITF C 1 B=0.87(13) ITF O 1 B=0.93(7) REM PRE 1.5 RVAL 0.035 COL ICSD Collection Code 66335 DATE Recorded Jan 6, 1993 NAME Calcium magnesium carbonate MINR Dolomite - from Eugui, Spain FORM Ca Mg (C O3)2 = C2 Ca Mg O6 FORM Ca1.001 Mg.987 Fe.01 Mn.002 (C O3)2 TITL High-pressure structural study of dolomite and ankerite REF American Mineralogist AMMIA 77 (1992) 412-421 AUT Ross N L, ReederÿRÿJ CELL a=4.778 b=4.778 c=15.730 à=90.0 á=90.0 ç=120.0 V=311.0 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3a 0. 0. 0. Mg 1 2.000 3b 0. 0. 1/2 C 1 4.000 6c 0. 0. 0.2426 O 1 -2.000 18f 0.2488 -0.0359 0.2442 WYCK f c b a ITF Ca 1 B=0.88(6) ITF Mg 1 B=0.50(7) ITF C 1 B=0.68(11) ITF O 1 B=0.93(6) REM PRE 2.9 RVAL 0.032 COL ICSD Collection Code 66336 DATE Recorded Jan 6, 1993 NAME Calcium magnesium carbonate MINR Dolomite - from Eugui, Spain FORM Ca Mg (C O3)2 = C2 Ca Mg O6 FORM Ca1.001 Mg.987 Fe.01 Mn.002 (C O3)2 TITL High-pressure structural study of dolomite and ankerite REF American Mineralogist AMMIA 77 (1992) 412-421 AUT Ross N L, ReederÿRÿJ CELL a=4.770 b=4.770 c=15.653 à=90.0 á=90.0 ç=120.0 V=308.5 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3a 0. 0. 0. Mg 1 2.000 3b 0. 0. 1/2 C 1 4.000 6c 0. 0. 0.2416 O 1 -2.000 18f 0.2496 -0.0359 0.2443 WYCK f c b a ITF Ca 1 B=0.84(5) ITF Mg 1 B=0.42(6) ITF C 1 B=0.47(9) ITF O 1 B=0.79(5) REM PRE 3.7 RVAL 0.032 COL ICSD Collection Code 66337 DATE Recorded Jan 6, 1993 NAME Calcium magnesium carbonate MINR Dolomite - from Eugui, Spain FORM Ca Mg (C O3)2 = C2 Ca Mg O6 FORM Ca1.001 Mg.987 Fe.01 Mn.002 (C O3)2 TITL High-pressure structural study of dolomite and ankerite REF American Mineralogist AMMIA 77 (1992) 412-421 AUT Ross N L, ReederÿRÿJ CELL a=4.764 b=4.764 c=15.582 à=90.0 á=90.0 ç=120.0 V=306.2 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3a 0. 0. 0. Mg 1 2.000 3b 0. 0. 1/2 C 1 4.000 6c 0. 0. 0.2439 O 1 -2.000 18f 0.2496 -0.0359 0.2443 WYCK f c b a ITF Ca 1 B=0.76(6) ITF Mg 1 B=0.46(8) ITF C 1 B=0.65(11) ITF O 1 B=0.82(5) REM PRE 4.69 RVAL 0.034 COL ICSD Collection Code 71004 DATE Recorded Jan 6, 1993 NAME Calcium manganese iron magnesium carbonate (1/.6/.1/.2/2) MINR Kutnohorite - from Chvaletice, C.S.F.R. MINR Dolomite FORM (Ca0.82 Mn0.18) (Ca0.18 Mn0.46 Fe0.13 Mg0.23) (C O3)2 = C2 Ca Fe.13 Mg.23 Mn.64 O6 TITL The crystal structure of kutnohorite CaMn(CO3)2 REF Neues Jahrbuch fuer Mineralogie. Monatshefte (Band=Jahr) (1950-) NJMMA 1988 (1988) 539-546 Issue 12 AUT Farkas L, BolzeniusÿBÿH, SchaeferÿW, WillÿG CELL a=4.852 b=4.852 c=16.217 à=90.0 á=90.0 ç=120.0 V=330.6 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3b 0. 0. 1/2 0.18 Mg 1 2.000 3b 0. 0. 1/2 0.23 Mn 1 2.000 3b 0. 0. 1/2 0.46 Fe 1 2.000 3b 0. 0. 1/2 0.13 Ca 2 2.000 3a 0. 0. 0. 0.82 Mn 2 2.000 3a 0. 0. 0. 0.18 C 1 4.000 6c 0. 0. 0.252 O 1 -2.000 18f 0.25 -0.027 0.245 WYCK f c b a ITF Ca 1 B=0.9(1) ITF Mg 1 B=0.9(1) ITF Mn 1 B=0.9(1) ITF Fe 1 B=0.9(1) ITF Ca 2 B=0.9(1) ITF Mn 2 B=0.9(1) ITF C 1 B=0.9(1) ITF O 1 B=0.9(1) REM XDP (X-ray diffraction from a powder) RVAL 0.055 COL ICSD Collection Code 71005 DATE Recorded Jan 6, 1993 NAME Calcium manganese iron magnesium carbonate (1/.6/.1/.2/2) MINR Kutnohorite - from Chvaletice, C.S.F.R. MINR Dolomite FORM (Ca0.86 Mn0.14) (Ca0.14 Mn0.50 Fe0.13 Mg0.23) (C O3)2 = C2 Ca Fe.13 Mg.23 Mn.64 O6 TITL The crystal structure of kutnohorite CaMn(CO3)2 REF Neues Jahrbuch fuer Mineralogie. Monatshefte (Band=Jahr) (1950-) NJMMA 1988 (1988) 539-546 Issue 12 AUT Farkas L, BolzeniusÿBÿH, SchaeferÿW, WillÿG CELL a=4.852 b=4.852 c=16.217 à=90.0 á=90.0 ç=120.0 V=330.6 Z=3 SGR R -3 H (148) - trigonal CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies) PRS hR30 ANX ABC2X6 PARM Atom__No OxStat Wyck ---X--- ---Y--- ---Z--- -SOF- Ca 1 2.000 3b 0. 0. 1/2 0.14 Mg 1 2.000 3b 0. 0. 1/2 0.23 Mn 1 2.000 3b 0. 0. 1/2 0.50(7) Fe 1 2.000 3b 0. 0. 1/2 0.13 Ca 2 2.000 3a 0. 0. 0. 0.86 Mn 2 2.000 3a 0. 0. 0. 0.14 C 1 4.000 6c 0. 0. 0.246 O 1 -2.000 18f 0.251 -0.022 0.245 WYCK f c b a ITF Ca 1 B=1.5(4) ITF Mg 1 B=1.5(4) ITF Mn 1 B=1.5(4) ITF Fe 1 B=1.5(4) ITF Ca 2 B=1.5(4) ITF Mn 2 B=1.5(4) ITF C 1 B=1.5(4) ITF O 1 B=1.5(4) REM NDP (neutron diffraction from a powder) RVAL 0.052